A car moving at 40km/h is to be stopped by applying brakes in the next 4.0 m. if the car weight 2000kg what average force must be applied on it? Ans : Since car moving at speed 40km/h with...
A car moving at 40km/h is to be stopped by applying brakes in the next 4.0 m. if the car weight 2000kg what average force must be applied on it? Ans : Since car moving at speed 40km/h with...
One litre of 0.15M HCL and one litre of 0.3M HCL is given. What is the maximum volume of 0.2M HCL which one can make from these solution. No water is added. Note that M represent Molarity...
y=3sin(2x)
cos(x).cos(2x)cos(4x)cos(8x)= sin16x/16sinx prove this !
sin18° and cos° without using calculator ?
The value of X , if log1/2x >= log1/3x is
Find the value of X for which (x+4)1/2 +2=0
If Vector A = 3icap + 4jcap and B= 7icap + 24jcap the the vector having the same magnitude as B and same direction as A is
The sum , difference and cross product of two vector A and B are mutually perpendicular if A and B are perpendicular to each other and |A| = |B| This...
The distance between the point P(2m, 3m, 4m) and the x- axis is
A stone is projected from level ground with speed u and at an angle x with horizontal. some how the acceleration due to gravity (g) become double immediately after the stone reaches the maximum height...
Greatest value of Sin4Θ + cos4Θ is
Least value of tan2Θ + cot2Θ is
A body is thrown up with a velocity of 100m/s if it travels 5 m in the last seconds of its journey . If the same ball is thrown up with the initial velocity of 200m/s . What distance will it travel...
A lead ball is dropped into a lake from a diving board 5m above the water . It hits the water with a certain velocity and then sink with constant velocity in bottom . It reaches the bottom 5 second...
Two particles are thrown vertically upward at interval of 2 second with an initial velocity of 4 m/s each. Find the time when they will meet each other and also find the distance from the ground where...
A police jeep ( vaan ) is chasing a culprit going on a bike . The motor bike crosses a turning at the speed of 72 km/hr .The jeep follow it at a speed of 90km/hr crossing the turning ten...
An elevator is decending with uniform acceleration . To measure the acceleration , a person in the elevator drops a coins at he moments the elevator starts. The coin 6 ft above the floor of the elevator...
An elevator is decending with uniform acceleration . To measure the acceleration , a person in the elevator drops a coins at he moments the elevator starts. The coin 6 ft above the floor of the elevator...
A ball is dropped from a ballon going up at a speed of 7m/s . If the ballon was at 60m at time of dropping the ball how long the ball take to reach ground level .